JPS6122190Y2 - - Google Patents

Description

[Detailed description of the invention] The present invention relates to an indoor unit such as a ceiling-suspended type or a wall-mounted type in a separate air conditioner.
In particular, the present invention relates to a mounting structure for a control panel that is mounted at a lower corner of the front surface.

Conventionally, in a ceiling-suspended or wall-mounted indoor unit of a separate air conditioner, a control panel is provided at the lower front corner (usually the right corner), and the control panel is screwed to the main casing. It was installed by a holder, and a suction grill etc. was attached from above.

As a result, variations tend to occur in the joint between the control panel and the suction grill, or between the control panel and the lower decorative frame attached to the bottom of the main body casing, resulting in poor joint alignment with the side panel.
There was a problem that the appearance deteriorated and the product value decreased. There was also the problem that assembly workability was poor because it was secured with screws.

The present invention has been developed in view of these points, and has a structure in which the control panel is inserted between the suction grille and the lower decorative frame by sliding it from the side, and while making this insertion easy, the control panel can be inserted easily. By ensuring secure engagement and mounting flush, it eliminates variations in the joints between the control panel and the suction grill and between the control panel and the lower decorative frame, improves the joint alignment, and improves the joints with the side panels. It is an object of the present invention to provide an indoor unit that allows for good fitting and eliminates the need for screws to facilitate and ensure assembly work.

For this reason, the configuration of the present invention is such that a locking protrusion having a locking protrusion opening forward and having a locking groove that opens forward is provided at the lower end of the suction grill, while a locking protrusion having a substantially U-shaped cross section is provided on the lower surface of the main body casing or the lower surface thereof. The front end of the mounted lower decorative frame is provided with a locking groove that opens upward and has a cross section curved from the vertical direction to the horizontal direction. a front protrusion that slidably engages with the locking groove; a rear L-shaped piece that abuts the back surface of the locking protrusion;
an arcuate protrusion provided on the horizontal part of the shaped piece and protruding upward so as to abut the lower surface of the locking protrusion and clamp the locking protrusion with the front protrusion; In addition to providing an upper engaging portion that is irremovably locked in the vertical and front-back directions on the locking protrusion,
The lower end of the control panel is provided with a lower engaging part that is slidably engaged with the locking groove and is locked in a vertically and longitudinally unmovable manner, and is connected to the front protrusion of the upper engaging part. The rear L-shaped pieces are provided so as to be alternately located along the upper end of the control panel, and the control panel is inserted from the side between the lower end of the suction grill and attached flush with it.

Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

1 to 3 show an indoor unit A that can be hung on the ceiling and hung on the wall for a separate type air conditioner according to an embodiment of the present invention. A suction port 2 is opened, and a suction grill 3 is attached to the suction port 2. Further, an air outlet 4 is provided at the lower front of the main body casing 1, that is, below the suction port 2, and an air outlet grille 5 is attached to the air outlet 4. Further, inside the main body casing 1, a heat exchanger 6 is disposed opposite to the suction port 2, and a cross flow fan 7 is disposed downstream of the heat exchanger 6. Heat exchanger 6
After exchanging heat, the cross flow fan 7 blows out the air from the outlet 4. still,
8 is a drain pan installed below the heat exchanger 6; 9
1 is a side plate attached to the side of the main casing 1, 10 is a lower decorative frame attached to the bottom of the main casing 1, 1
Reference numeral 1 designates a pipe blind plate connected to the rear of the lower decorative frame 10, 12 a hanging fitting for hanging from the ceiling, 19 a fan housing, and 20 a tongue piece.

A bearing plate 13 that pivotally supports the horizontal blades of the outlet grille 5 is provided on the lower front side of the main body casing 1, that is, on the side of the outlet 4 (right side in the figure).
A control panel 14 is attached via. On the back side of the control panel 14, there is a plate 22 on which electrical parts are attached.
is provided to form a space for a switch box.

To describe the mounting structure of the control panel 14 in detail, the lower end of the suction grille 3 has a locking protrusion 15 having a U-shaped cross section and a locking groove 15a opening forward.
is provided, and the lower decorative frame 10
A locking groove portion 16 having a substantially J-shaped cross section and opening upward and curving from the vertical direction to the horizontal direction is provided at the front end portion of the locking groove portion 16 . On the other hand, the upper end of the control panel 14 is slidably engaged with the locking protrusion 15 of the suction grille 3 and is held by the locking protrusion 15 so that the upper and lower ends of the control panel 14 An upper engaging portion 17 is formed that is irremovably locked in the front-rear direction, and the lower end portion is slidably engaged with the locking groove portion 16 of the lower decorative frame 10 and is locked. For example, three lower engaging portions 18, 18, 18 are formed which hug the groove portion 16 and are permanently locked to the locking groove portion 16 in the vertical and longitudinal directions. The upper engaging portion 17 is connected to the locking groove 1 of the locking protrusion 15.
Three front protrusions 17 that slidably engage with 5a.
b... and 4 that abuts the back surface of the locking protrusion 15.
The rear L-shaped pieces 17a... are arranged alternately, and the L-shaped pieces 17a...
An arcuate protrusion 17c is provided on the horizontal piece portion of the projection 17a and protrudes upward so as to come into contact with the lower end surface of the locking protrusion 15 and sandwich the locking protrusion 15 with the front protrusion 17b.
...is provided. Note that 21 is a reinforcing rib. Therefore, the control panel 14 is connected to the suction grill 3.
A control panel 1 is provided between the lower end and the front end of the lower decorative frame 10 in each of the locking protrusions 15 and the locking grooves 16.
The upper and lower engaging portions 17 and 18 of 4 are inserted from the sides so as to be engaged with each other, thereby being attached flush. In addition, the control panel 14 is connected to the main body casing 1.
By attaching the side plate 9 to the side surface, the side plate 9
and the bearing part 13 from the left and right and are fixed.

Therefore, in the embodiment described above, the control panel 14 is provided with a locking protrusion 15 and a locking groove 16 between the lower end of the suction grill 3 and the front end of the lower decorative frame 10. Part engaging parts 17, 18
Since the intake grille 3 and the lower decorative frame 10 are fixed flush with each other by the control panel 14, the suction grill 3 and the lower decorative frame 10 are fixed to the control panel 14 so that they cannot be removed.
Since it is pulled to the side, the joint alignment between the control panel 14 and the suction grille 3 and between the control panel 14 and the lower decorative frame 10 is good, and there is no variation, and as a result, the joint alignment with the side plate 9 is improved. can be performed well. Moreover, since the entire surface is flush, the joints become less noticeable.
Therefore, the appearance of the indoor unit A can be improved.

Further, since the control panel 14 can be assembled by inserting it from the side, the conventional screw fastening work is not required, and the assembly work efficiency can be improved and costs can be reduced.

In this case, in the upper engagement portion 17 of the control panel 14, the L-shaped pieces 17a and the protruding pieces 17b are provided alternately, so the control panel 14 first attaches the L-shaped pieces 17a to the locking protrusion 15 at the lower end of the suction grill 3. Since the shaped piece 17a comes into contact and then the projecting piece 17b comes into contact, it is easy to attach during assembly. Moreover, the projection 17c
In cooperation with b, the locking protrusion 15 can be clamped and locked securely.

In the above-mentioned embodiment, a case was described in which the present invention was applied to a ceiling-suspended indoor unit A, but it goes without saying that the present invention can also be applied to various other indoor units such as a wall-hung type.

Further, in the embodiment described above, the lower decorative frame 10 was provided on the lower surface of the main body casing 1, and the locking groove portion 16 was provided on the lower decorative frame 10, but in the case where the lower decorative frame 10 is not provided, the lower surface of the main body casing 1 It is only necessary to provide the locking groove directly at the front end of the section, and the same effects as in the embodiment described above can be achieved.

Furthermore, in the embodiment described above, three lower engaging portions 18 were provided at the lower end of the control panel 14, but they may be provided continuously in the longitudinal direction (the insertion direction of the control panel 14).

As described above, according to the present invention, a locking protrusion having a locking groove opening forward and having a locking protrusion having a substantially U-shaped cross section is provided at the lower end of the suction grill, and the lower surface of the main body casing or the lower surface At the front end of the lower decorative frame attached to the control panel, there is provided a locking groove that opens upward and whose cross section curves from the vertical direction to the horizontal direction, and at the upper end of the control panel, the locking protrusion a front protrusion that slidably engages with the locking groove; a rear L-shaped piece that abuts the back surface of the locking protrusion;
an arcuate protrusion provided on the horizontal piece of the shaped piece and protruding upward so as to abut the lower surface of the locking protrusion and sandwich the locking protrusion with the front protrusion; Provided on the upper engaging part that is irremovably locked in the vertical and front-back directions to the locking protrusion,
The lower end of the control panel is provided with a lower engaging part that is slidably engaged with the locking groove and is locked in a vertically and longitudinally unmovable manner, and is connected to the front protrusion of the upper engaging part. rear L-shaped pieces are provided so as to be alternately positioned along the upper edge of the control panel, and the control panel is positioned between the lower end of the suction grill and the lower surface of the main body casing or the front end of the lower decorative frame from the side. By mounting flush with the main body, the joints between the control panel and the suction grill and between the control panel and the lower decorative frame (or the lower surface of the main body casing) are good, and the joints with the side panels are well aligned. In addition, since the entire surface is flush, the appearance can be improved and the product value can be increased. Moreover, it can be installed by simply inserting it without requiring screws as in the past, and it can be securely locked while making this insertion operation easy, making assembly work easier and more reliable. .

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view of the whole as seen from the front, Fig. 2 is a sectional view taken along the line - - of Fig. 1, Fig. 3 is an exploded perspective view of main parts, and Fig. 4. is a view from arrow A of the control panel shown in Fig. 3, and Fig. 5 is a view from arrow A of the control panel shown in Fig. 3.
The arrow view and FIG. 6 are partial perspective views of the control panel. A...Indoor unit, 1...Main casing,
3...Suction grill, 10...Lower decorative frame, 14...
... Control panel, 15 ... Locking protrusion, 15a ... Locking groove, 16 ... Locking groove, 17 ... Upper engagement part, 17a ... Rear L-shaped piece, 17b ... Front side projection Piece, 17c...Protrusion, 18...Lower engaging portion.

Claims (1)

[Scope of utility model registration request] A locking protrusion 1 having a substantially U-shaped cross section and having a locking groove 15a opening forward at the lower end of the suction grill 3
5 is provided, and at the front end of the lower surface of the main casing 1 or the lower decorative frame 10 attached to the lower surface,
A locking groove 16 is provided which opens upward and has a cross section curved from approximately vertical to approximately horizontal direction, and is provided at the upper end of the control panel 14 to slide into the locking groove 15a of the locking protrusion 15. Front protrusion 1 that can be freely engaged
7b, a rear L-shaped piece 17a that abuts on the back surface of the locking protrusion 15, and a rear L-shaped piece 17a that is provided on the horizontal piece of the L-shaped piece 17a and that abuts the lower surface of the locking protrusion 15. The front protrusion 17b is provided with an arcuate protrusion 17c that protrudes upward so as to sandwich the locking protrusion 15, and is securely locked to the locking protrusion 15 in the vertical and longitudinal directions. A lower engaging part 17 is provided at the lower end of the control panel 14 and is slidably engaged with the locking groove part 16 and is locked in the vertical and front-back directions so that it cannot be removed. 18, and the front projecting pieces 17b and the rear L-shaped pieces 17a of the upper engaging part 17 are provided alternately along the upper end of the control panel 14, and the control panel 14
is inserted from the side between the lower end of the suction grill 3 and the lower surface of the main body casing 1 or the front end of the lower decorative frame 10 and installed flush therewith.